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WorksheetsModel (1) Worksheet
Total questions: 91
Worksheet time: 46mins
What happens when the rate of rainfall increases in a river?
The water level in the river rises and may lead to flooding.
The river dries up completely.
The river water turns into ice instantly.
The river starts flowing backwards.
What happens when ...?
It can harm living organisms and make the water unsafe for drinking and other uses.
It makes the water taste sweet and safe for drinking.
It causes the water to glow in the dark.
It turns the water into ice instantly.
What happens when a magnet is placed near to a piece of cobalt?
The cobalt will be attracted to the magnet.
The cobalt will repel the magnet.
The cobalt will not be affected by the magnet.
The cobalt will lose its metallic properties.
What happens when a feather and a hammer fall from the same height at the same time in a vacuumed room?
Both will hit the ground at the same time.
The feather will hit the ground first.
The hammer will hit the ground first.
Neither will hit the ground.
Wind turbines move by the effect of gravity.
True
False
The factors that affect the sustainability of resources include:
Overconsumption, pollution, and conservation efforts
Only the amount of rainfall
The color of the resources
The age of the users
Water affects nonliving things, like rocks. How does water affect rocks?
It causes rocks to break down and change over time.
It makes rocks grow larger.
It turns rocks into plants.
It makes rocks float on water.
What is the force that changes the direction of a ball after throwing it upwards?
Gravity
Friction
Magnetism
Electricity
What causes the Moon to have different phases in the night sky?
The Moon's distance from Earth changes
The Earth's shadow falls on the Moon
The Moon reflects sunlight as it orbits Earth
The Sun's brightness varies each night
A large area of the world that has similar soil, climate, plants, and animals.
Biome
Continent
Habitat
Ecosystem
A group of stars, planets, and gases held together by gravity.
Galaxy
Asteroid
Comet
Meteor
Give a reason for: The Earth looks like a blue marble from space.
Because about 71% of the Earth's surface is covered with water, which reflects blue light from the sun, making it appear blue from space.
Because the Earth's surface is mostly covered with green forests, which reflect blue light.
Because the Earth's atmosphere is made entirely of blue gases.
Because the Earth's landmasses are painted blue.
Give a reason for: Occurrence of day and night.
Day and night occur due to the rotation of the Earth on its axis.
Day and night occur due to the revolution of the Earth around the Sun.
Day and night occur due to the tilt of the Earth's axis.
Day and night occur due to the movement of the Moon around the Earth.
Give a reason for: In the abyssal zones of oceans, no green plants can survive.
No green plants can survive in the abyssal zones of oceans because sunlight does not reach these depths, making photosynthesis impossible.
No green plants can survive in the abyssal zones of oceans because the water is too salty for them to grow.
No green plants can survive in the abyssal zones of oceans because the temperature is too high for photosynthesis.
No green plants can survive in the abyssal zones of oceans because there is too much oxygen present.
Mention an example for: Living organisms that live in seas and oceans:
Fish (or any marine animal such as whale, dolphin, etc.)
Camel
Eagle
Tiger
Mention an example for: A freshwater body:
Lake (or river, pond, etc.)
Ocean
Desert
Saltwater lagoon
What are the kinds of wetlands?
The kinds of wetlands include marshes, swamps, bogs, and fens.
The kinds of wetlands include deserts, tundras, and grasslands.
The kinds of wetlands include mountains, valleys, and plateaus.
The kinds of wetlands include rivers, lakes, and oceans.
How is groundwater formed?
Groundwater is formed when rainwater or other forms of precipitation seep into the ground and fill the spaces between rocks and soil.
Groundwater is formed when rivers flow above the ground and evaporate.
Groundwater is formed when plants absorb water from the soil and release it into the air.
Groundwater is formed when lakes dry up and water collects underground.
From the opposite figure, which apple will be attracted more by the Earth's gravity? Why?
The 100g apple will be attracted more by the Earth's gravity because gravitational force increases with mass.
The 50g apple will be attracted more by the Earth's gravity because it is lighter.
Both apples will be attracted equally by the Earth's gravity regardless of their mass.
Neither apple will be attracted by the Earth's gravity.
Correct the underlined word: When the amount of water upstream decreases, the amount of water downstream increases.
decreases
increases
remains the same
doubles
Water is an important natural resource on Earth because:
It is essential for life and supports all living organisms.
It is used only for industrial purposes.
It is not required for agriculture.
It is not found in nature.
How does an estuary is formed?
An estuary is formed where a river meets the sea, mixing fresh and salt water.
An estuary is formed by the melting of glaciers.
An estuary is formed in deserts due to sand accumulation.
An estuary is formed by volcanic eruptions near the coast.
The factors that affect gravity are:
mass and distance
temperature and pressure
speed and direction
volume and density
The length and angle of a shadow are affected by which of the following factors?
The position of the light source and the object's height
The color of the object and the temperature
The material of the object and the wind speed
The weight of the object and the humidity
An imaginary line passing through the North pole and South pole of Earth.
Axis
Equator
Tropic of Cancer
Prime Meridian
Fish and most aquatic animals can’t survive in lake Assal because:
the water is too salty for them to live
the temperature is too cold
there is not enough oxygen in the water
the lake is too shallow
Farmers near tributaries may cause water pollution because:
They use fertilizers and pesticides that can run off into the water.
They build dams to control water flow.
They plant trees along the riverbanks.
They use water for irrigation only.
The Earth’s gravity is greater than the Moon’s gravity because:
The Earth has a larger mass than the Moon.
The Moon is closer to the Sun than the Earth.
The Earth rotates faster than the Moon.
The Moon has a thicker atmosphere than the Earth.
In the early morning, objects have the longest shadow because:
the Sun is low in the sky
the Sun is directly overhead
the Sun is at its highest point
there is no sunlight
Define each of the following: 1. Geosphere:
The solid part of the Earth consisting of the crust and outer mantle.
The layer of gases surrounding the Earth.
The water bodies present on the Earth's surface.
The living organisms found on Earth.
Define each of the following: 2. Force: ____________________________
A push or pull upon an object resulting from its interaction with another object.
The ability of an object to resist motion.
The speed at which an object moves.
The amount of space an object occupies.
Define each of the following: 3. Constellation:
A group of stars forming a recognizable pattern.
A type of planet found in the solar system.
A measurement of the brightness of a star.
A tool used to observe distant galaxies.
Correct the underlined word: - In the full moon phase, the size of the illuminated part increases gradually overtime.
waxing crescent (or waxing gibbous, depending on the curriculum)
waning crescent
new moon
waning gibbous
The swimming of a child in a pool is an example of interaction between:
hydrosphere and biosphere
atmosphere and lithosphere
lithosphere and hydrosphere
atmosphere and biosphere
The breathing of a child is an example of interaction between:
atmosphere and biosphere
lithosphere and hydrosphere
hydrosphere and atmosphere
lithosphere and biosphere
Mention an example that represents an interaction between hydrosphere and geosphere.
River eroding rocks along its banks
Wind blowing through trees
Sunlight warming the air
Clouds forming in the sky
Water bodies on Earth can change from the liquid state to other states through which processes?
Evaporation and freezing
Photosynthesis and melting
Condensation and filtration
Respiration and precipitation
Compare between: P.O.C | Rivers | Lakes Types of water | __________ | __________
Rivers: Flowing freshwater Lakes: Still freshwater
Rivers: Saltwater Lakes: Flowing freshwater
Rivers: Still freshwater Lakes: Saltwater
Rivers: Flowing saltwater Lakes: Still saltwater
The Sun produces heat and light through:
chemical reactions
nuclear fusion
burning gases
solar wind
Mention some examples of biomes.
Desert, tundra, rainforest, grassland
Mountain, river, ocean, valley
City, village, town, suburb
Forest, lake, pond, stream
Correct the underlined word: Most of fresh water are found in rivers. (______________)
lakes
oceans
ponds
seas
(B) What happens if ...? Water in a water body evaporates. (According to the interaction between spheres)
The water moves from the hydrosphere to the atmosphere.
The water turns into soil and enters the lithosphere.
The water is absorbed by plants and enters the biosphere.
The water remains in the hydrosphere.
(B) What happens if groundwater of wells are used faster than they are replaced by rains?
Groundwater levels decrease, leading to water scarcity.
Groundwater levels increase, causing flooding.
Groundwater remains unchanged.
Groundwater becomes more pure.
(B) What happens if the gravity of the Sun in the solar system disappears?
All planets would drift away from the Sun.
All planets would move closer to the Sun.
The Sun would become larger.
The planets would start orbiting each other.
(B) What happens if ...? The Sun is high and most directly above an object in the sky at noon.
The object's shadow is shortest.
The object's shadow is longest.
The object has no shadow.
The object's shadow points north.
An area of land where water from different sources flow in one direction towards a common location.
River basin
Delta
Plateau
Valley
A cycle that shows the continuous movement of water from the Earth to the atmosphere, then to the Earth again.
Water cycle
Carbon cycle
Nitrogen cycle
Oxygen cycle
Look at the opposite figures, then answer: 1. Figure (1) represents the ____________________, and the force that controls the revolution of the planets in fixed orbits is ____________________.
solar system, gravity
galaxy, magnetism
atom, electricity
ecosystem, wind
From figure (2), number (1) indicates the Sun, while number (2) indicates ____________________.
Earth
Moon
Mars
Venus
From figure (2), number (4) is surrounded by the ____________________ and its function is ____________________.
atmosphere, protecting the planet and supporting life
crust, providing minerals and resources
core, generating magnetic field
hydrosphere, regulating temperature
Salamanders and salmon can’t live in the same aquatic ecosystem because:
they require different environmental conditions.
they both are predators.
they compete for the same food source.
they have similar life cycles.
Air resistance affects the movement of an object when it falls from a height because:
it slows down the object due to friction with air.
it increases the object's weight.
it makes the object move faster.
it changes the object's shape.
The Sun looks much larger to us than other stars because:
it is much closer to Earth than other stars.
it is the biggest star in the universe.
it emits more light than all other stars.
it is made of a different material than other stars.
Complete the following sentence using the words between brackets: - Marshes and ponds are examples of _________________.
wetlands
deserts
mountains
forests
Sustainability is more flexible than preservation because:
it allows for responsible use of resources while maintaining ecological balance.
it prohibits all human activity in natural areas.
it focuses only on economic growth without considering the environment.
it ignores the needs of future generations.
The total amount of water on Earth doesn’t change because:
water continuously cycles through evaporation, condensation, and precipitation
new water is constantly created by chemical reactions
water is only found in oceans and never leaves them
water is used up and disappears over time
The Sun is considered the center of motion of the solar system because:
it has the largest mass and its gravity keeps the planets in orbit.
it is the brightest object in the solar system.
it is the hottest object in the solar system.
it is the oldest object in the solar system.
The Sun appears to rise from the east and set in the west because:
the Earth rotates from west to east.
the Sun moves around the Earth.
the Earth rotates from east to west.
the Sun rotates around itself.
Air resistance opposes the direction of motion by exerting a pulling force on the moving object.
✓
✗
(B) What happens when ...?
A specific event occurs
Nothing happens
The process reverses
An error is generated
(B) What happens when ...? 2. Cutting down too many trees.
It leads to deforestation and loss of wildlife habitat.
It increases the number of trees in the area.
It causes more rainfall in the region.
It improves air quality significantly.
(B) What happens when we approach like poles of magnets to each other?
They repel each other.
They attract each other.
They lose their magnetism.
They stick together.
(B) What happens when ...? 4. Occurrence of seasons.
The Earth’s tilt and revolution around the Sun cause the occurrence of seasons.
The Moon’s phases cause the occurrence of seasons.
The Sun’s rotation causes the occurrence of seasons.
The Earth’s distance from the Sun remains constant, causing the occurrence of seasons.
The area along the ocean between the high and low tides.
Intertidal zone
Abyssal zone
Pelagic zone
Benthic zone
An imaginary line passing through the two poles of Earth.
Axis
Equator
Prime Meridian
Tropic of Cancer
Mention the function of water filters.
Water filters remove impurities from water.
Water filters add minerals to water.
Water filters increase the temperature of water.
Water filters change the color of water.
One difference between stars and moons is:
Stars emit their own light, while moons reflect light from stars.
Moons emit their own light, while stars reflect light from moons.
Stars and moons both emit their own light.
Moons are always larger than stars.
The function of telescopes and binoculars is:
to magnify distant objects
to measure temperature
to record sound
to mix chemicals
Compare between Water Movement and Living organisms that live in Oceans and seas vs Streams.
Oceans and seas: Water movement is generally slow and steady; living organisms include fish, whales, and plankton. Streams: Water movement is fast and turbulent; living organisms include small fish, insects, and amphibians.
Oceans and seas: Water movement is fast and turbulent; living organisms include only plankton. Streams: Water movement is slow and steady; living organisms include whales and dolphins.
Oceans and seas: Water movement is absent; living organisms include only amphibians. Streams: Water movement is slow and steady; living organisms include plankton and whales.
Oceans and seas: Water movement is fast and turbulent; living organisms include insects and amphibians. Streams: Water movement is generally slow and steady; living organisms include fish and whales.
Compare between each of the following: 2. Types of force: Magnetism vs Gravity.
Magnetism: Force that attracts or repels objects due to magnetic fields. Gravity: Force that attracts objects toward the center of the Earth or other celestial bodies.
Magnetism: Force that attracts objects toward the center of the Earth. Gravity: Force that repels objects due to magnetic fields.
Magnetism: Force that only exists in liquids. Gravity: Force that only exists in gases.
Magnetism: Force that causes objects to float. Gravity: Force that causes objects to spin.
Compare between the illuminated part of the Moon during a Full moon and a New moon.
Full moon: The entire face of the moon is illuminated. New moon: The moon is not illuminated and is not visible from Earth.
Full moon: The moon is not visible. New moon: The entire face of the moon is illuminated.
Full moon: Only half of the moon is illuminated. New moon: The other half is illuminated.
Full moon: The moon is partially illuminated. New moon: The moon is fully illuminated.
(B) What happens to ...?
It changes state.
It remains the same.
It disappears completely.
It increases in size.
(B) What happens to the water level in a river or stream when the rate of rainfall decreases?
The water level decreases.
The water level increases.
The water level remains the same.
The water level fluctuates unpredictably.
(B) What happens to ...? 3. When the mass of the Moon is doubled.
The gravitational force between the Earth and Moon doubles.
The gravitational force between the Earth and Moon halves.
The gravitational force between the Earth and Moon remains the same.
The gravitational force between the Earth and Moon becomes zero.
What happens to the Earth if it doesn’t rotate around its axis?
There would be no day and night cycle.
The Earth would stop orbiting the Sun.
The seasons would change rapidly.
The Earth would shrink in size.
Salt water represents 3.5% of water on Earth.
True
False
Overfishing has negative effects on oceans and seas because:
it disrupts marine ecosystems and reduces fish populations.
it increases the amount of clean water in the ocean.
it helps maintain the balance of marine life.
it leads to more coral reefs forming.
(B) Give a reason for: 2. Humans build dams on rivers.
To store water and control floods.
To increase river pollution.
To reduce fish population.
To make rivers flow faster.
Hiding of a worm inside the soil is an example of an interaction between which two Earth's spheres?
Biosphere and Lithosphere
Atmosphere and Hydrosphere
Lithosphere and Atmosphere
Biosphere and Hydrosphere
Planetarium is an important building for space scientists because:
It helps them study celestial objects and phenomena.
It is used for agricultural research.
It is a place for medical experiments.
It is a center for underwater exploration.
Complete the following sentences using the words between brackets: 1. The Earth consists of __________ main systems.
four
three
five
six
Complete the following sentences using the words between brackets:
2. The new moon phase appears in the __________ day of the lunar month.
first
last
second
fifteenth
Classify the following components according to the sphere they belong to in the table below:
Biosphere
Elephant, Mosquito, Plant roots
Hydrosphere
Water, Puddle, Rain, Water vapor
Atmosphere
Oxygen, Wind, Carbon dioxide
Geosphere
Rocks, Minerals, Soil
Look at the opposite figure, then answer: - Side (2) is at ______________ because _________________________________.
Side (2) is at night because it is facing away from the Sun.
Side (2) is at day because it is facing towards the Sun.
Side (2) is at dawn because it is partially facing the Sun.
Side (2) is at noon because it is directly under the Sun.
Look at the opposite figure, then answer: - Side (1) is at ______________ because _________________________________.
Side (1) is at day because it is facing the Sun.
Side (1) is at night because it is facing away from the Sun.
Side (1) is at dawn because it is partially facing the Sun.
Side (1) is at dusk because it is partially away from the Sun.
In the opposite figure, why does object (3) seem shiny at night?
Because it reflects light from nearby sources.
Because it emits its own light.
Because it absorbs all light.
Because it is transparent.
Cross out the odd word: (______________)
Water
Animals
Plants
Human
Cross out the odd word: Earth – Mars – The Sun – Jupiter.
Earth
Mars
The Sun
Jupiter
Tributaries are:
Smaller streams or rivers that flow into a larger river.
Large rivers that flow into the ocean.
Bodies of water that are completely isolated from other rivers.
Streams that only flow during the rainy season.
Friction is defined as:
The force that opposes motion between two surfaces in contact.
The energy stored in an object due to its position.
The tendency of objects to remain at rest.
The force that pulls objects toward the center of the Earth.
Magnetism is defined as: ____________________________
The force exerted by magnets when they attract or repel each other.
The ability of materials to conduct electricity.
The process of generating heat through friction.
The property of a substance to dissolve in water.
